A biologist is studying the levels of heavy metal contaminants among a population of the South Nakaratuan Chubby Bat.

A biologist is studying the levels of heavy metal contaminants among a population of the South Nakaratuan Chubby Bat. The biologist is interested in constructing a simple linear regression model to investigate the relationship between weight of an animal and the level of heavy metal contamination. In the proposed regression model the level of contaminant is the response variable and weight is the explanatory variable. The contaminant level is measured in parts per billion (ppb) and weight in grams.

A random sample of 20 individuals is selected and measurements are taken.

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